Key hole in US Open
ARDMORE, Pa. (AP) -- A glance at the key hole Thursday in the U.S. Open.
HOLE: No. 13
STROKE AVERAGE: 2.7
KEY FACT: Phil Mickelson made birdie on the short 13th to get to even par, and then played the rest of the way 3 under. Luke Donald also birdied the hole to top the leaderboard at 4 under before darkness suspended play. A total of 44 players made birdie on the par 3.